Seaver: Hypocreales of North America 75 



Distribution : Connecticut to Colorado and Cuba. 



Illustrations : Pers. Ic. et Descr. 2 : pi. 11, f. 4-^. 



Specimens examined: Colorado, Cockercll; Connecticut, 

 Thaxtcr; Cuba, Earle and MnrrUl joo; Iowa, Scav'er; N. Da- 

 kota, Seaver. 



4. Hypomyces rosellus (Albert. & Schw.) Tul. Ann. Sci. Nat. 



IV. 13 : 12. i860 



? Sphaeria rosea Pers. Syn. Fung. 18. 1801. 



Sphaeria rosella Albert. & Schw. Conspect. Fung. 35. 1805. 



Nectria Alhertini Berk. & Broome, Ann. Mag. Nat. Hist. 7 : 14. 



1861. 

 Nectria rosella Fries, Summa \tg. Scand. 388. 1849. 

 Hypomyces roseus Fuckel, Symb. Myc. 182. 1869. 



Conidial phase (species of Trichothccium and Dactylium) 

 forming an effused subiculum often covering an area of 3-8 

 cm., cottony, at first whitish becoming rose-colored, lighter near 

 the sterile margin; conidia elliptical, hyaline, becoming 1-3-sep- 

 tate ; perithecia thickly scattered, darker than the subiculum, 

 nearly blood-red, partially immersed in the subiculum, with the 

 protruding ostiolum acute or more or less obtuse, often collaps- 

 ing; asci cylindrical, 8-spored; spores i-seriate with the ends 

 overlapping in the ascus, with an apiculus at each end, i-septate, 

 septum medial, hyaline becoming slightly rough at maturity, 

 20-30 X 5 mic. (pi. 21, f. 10). 



On fungi, old wood and rubbish probably growing on the 

 remains of decaying fleshy fungi. 



Type locality: Germany. 



Distribution : Delaware to N. Dakota, Florida, Louisiana and 

 the W. Indies. 



Illustrations: Albert. & Schw. Conspect. Fung. pi. y, f. 5; 

 Tul. Fung. Carp. 2 : pi. ^0, f. 6-p. 



Specimens examined: Delaware, Commons; Florida, Martin; 

 Louisiana, Langlois 2i'j6; Minnesota, Holway ; N. Dakota, Sea- 

 ver; Porto Rico, Goll. 



The species is very distinct in its rose-colored subiculum and 

 fusiform spores. 



